. New elementary agriculture for rural and graded schools; an elementary text book dealing with the plants, insects, birds, weather, and animals of the farm . of as designed for this purpose;there are the tumbleweeds, inwhich the plant grows stout andbushy, its stiff branches makingthe whole plant a loose, roundball, which, when the seeds areripe, is torn loose from theground by the wind and goes ofci^ickw^^ Fig. II. Seed ^i, • • of bur marigold rollmg across the prairie scatter-ing its seeds by the way. And thus in a great variety of ways nature has pro-vided for the distribution of seeds
. New elementary agriculture for rural and graded schools; an elementary text book dealing with the plants, insects, birds, weather, and animals of the farm . of as designed for this purpose;there are the tumbleweeds, inwhich the plant grows stout andbushy, its stiff branches makingthe whole plant a loose, roundball, which, when the seeds areripe, is torn loose from theground by the wind and goes ofci^ickw^^ Fig. II. Seed ^i, • • of bur marigold rollmg across the prairie scatter-ing its seeds by the way. And thus in a great variety of ways nature has pro-vided for the distribution of seeds so that they mayreach favorable locations in which to strike root andgrow and again produce their kind. Some plants evenprovide their seeds with the means of burying themselvesin the ground. Some of the grasses, for example, havea seed with a long awn, or bristle, attached. Perhapsyou did not know what these were for, except that theymake good darts to throw at your playmates. Butthese long, stiff bristles twist up when dry and straight-en out when wet; so when they fall in the tangledgrass every successive drying and moistening pushesthe sharp po
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectagriculture, bookyear
